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Engine Calculator

This form is designed to help
you figure out engine specs
for all engine types
- not just VW.



Gear Ratio Calculator

Configure and preview
the ideal gear ratios
for your application.
(External Link)


Tire Size Calculator

Find the right size tires for
your year and style of vehicle,
and compare to other sizes.
(External Link)


Fuel Injection Worksheet

This form is designed to help
you select the proper Fuel
Injector size for your vehicle.

(External Link)